CVE-2025-11183 Cross-Site Scripting Vulnerability in QWC2
An authorized attacker can inject arbitrary JavaScript into the QWC2 attribute table, potentially compromising user sessions or data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-11183?
CVE-2025-11183 is a medium-severity cross-site scripting vulnerability in QGIS QWC2, published on 13 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Cross-Site Scripting vulnerability in attribute table in QGIS QWC2 <2025.08.14 allows an authorized attacker to plant arbitrary JavaScript code in the page
Weakness: CWE-79
Which versions are affected by CVE-2025-11183?
2 open source packages ship an affected version, including qwc2.
| Package | Affected | Fixed in |
|---|---|---|
qwc2 npm | All versions | 2025.08.14 |
qwc2 npm | All versions | 2025.08.14 |
How do I fix CVE-2025-11183?
Upgrade qwc2 to 2025.08.14 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-11183 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11183 exists.
Sources
Also known as GHSA-gxp8-m5rq-3m38.